Hoffer, Alan R. Mathematics in action / Alan R. Hoffer....[et al.] - New York : Mcmillan/McGraw-Hill, c1991. - x, 534 p. : ill., pics. ; 26 cm. Includes index. ISBN: 002108503X 0021085033 Subjects--Topical Terms: Mathematics Dewey Class. No.: 510 / MAT